"Methyl" is a word that describes a chemical group made up of one carbon atom bonded to three hydrogen atoms. It is commonly found in many organic compounds. Full definition
Under ideal circumstances, our DNA is bound to and protected by a series of methyl groups in a process called DNA methylation. (gold.besynchro.com)
Britain's delegates said they would agree to cuts in emissions of methyl bromide of 25 per cent. (newscientist.com)
A survey of quarantine and pre-shipment uses of methyl bromide uses in Australia for the period 2013 - 2016 was carried out by a consultant for the Department in 2017. (environment.gov.au)